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Ebel Caliber 139 Movement
In 2005 celebrating the 10th anniversary of its proprietary Caliber 137, Ebel launched a newly developed automatic chronograph movement named Caliber 139.
Inspired by the conviction that architecture is based not only on aesthetics, but on a perpetual quest for superlative technical acheivements in the service of ergonomic functionality; the architects of time have created a new exclusive manner of displaying chronograph functions through apertures rather than counters.
Starting from the fact that regular counters on automatic chronographs were generally too small for fast and accurate legibility of the elapsed time, Ebel watch-makers worked on a new architecture of the chronograph display functions on the basis of the highly reliable Ebel Caliber 137. The result of the brand's watch-making know-how is a 120 degree register displaying the chronograph minute hand in an optimally readable manner compared with regular chronograph sub-dials.
Consistently with the minute display, the chronograph hour display has also been revised. Rather than a hand, a disc graduated from 1 to 12 turns under the dial and precisely indicates the hour in progress through an aperture. This new Ebel mechanical movement is naturally chronometer-certified by the Swiss Chronometer Testing Institute (COSC) as is the original Ebel Caliber 137.
